linux-kernel - Re: [PATCH 0/3] Fix perf build breakages in 3.13

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Date:	Thu, 6 Feb 2014 11:40:01 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH 0/3] Fix perf build breakages in 3.13

Em Thu, Feb 06, 2014 at 02:13:15PM +0000, Ben Hutchings escreveu:
> On Thu, 2014-02-06 at 10:48 -0300, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Feb 06, 2014 at 12:59:21AM +0000, Ben Hutchings escreveu:
> > > perf no longer compiles on powerpc and sparc due to changes in the trace
> > > sub-command.  This series fixes those compile errors; I compile-tested
> > > in Debian sid on armhf, i386, powerpc and sparc.
> > > 
> > > I would much prefer not to revert the tty ioctl decoding but I think
> > > it's going to take a much more sophisticated approach to do it right
> > > across all supported architectures.
> > 
> > Second thought on the revert one:
> > 
> > Do you have a problem of switching the big hammer to one that makes this
> > work just on x86/x86-64?
> 
> That seems reasonable as a temporary measure.

Thank you, I'll do that then and hope to work on the right fix in the
near future, if nobody does it first.

- Arnaldo
 
> Ben.
> 
> > That way at least those on these arches can have this while the correct
> > solution is worked out.
> > 
> > - Arnaldo
> >  
> > > Ben.
> > > 
> > > Ben Hutchings (3):
> > >   Revert "perf trace: Initial beautifier for ioctl's 'cmd' arg"
> > >   perf trace: Add fallback definition of EFD_SEMAPHORE
> > >   perf trace: Decode architecture-specific signal numbers
> > > 
> > >  tools/perf/builtin-trace.c | 48 ++++++++++++++--------------------------------
> > >  1 file changed, 14 insertions(+), 34 deletions(-)
> > > 
> > > 
> > > -- 
> > > Ben Hutchings
> > > It is a miracle that curiosity survives formal education. - Albert Einstein
> > 
> > 
> 
> -- 
> Ben Hutchings
> It is a miracle that curiosity survives formal education. - Albert Einstein


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